pipolars.AFTime

class pipolars.AFTime

Bases: object

Represents a PI AF Time specification.

Supports both absolute timestamps and relative time expressions like “*” (now), “*-1d” (1 day ago), “t” (today), etc.

Examples

>>> AFTime("*")  # Now
>>> AFTime("*-1h")  # 1 hour ago
>>> AFTime("2024-01-01")  # Absolute date
>>> AFTime("t")  # Today at midnight
>>> AFTime("y")  # Yesterday at midnight

__init__(expression)

Methods

__init__(expression)
ago(**kwargs)	Create an AFTime relative to now.
from_datetime(dt)	Create an AFTime from a Python datetime object.
now()	Create an AFTime representing the current time.
today()	Create an AFTime representing today at midnight.
yesterday()	Create an AFTime representing yesterday at midnight.

Attributes

expression

The time expression string.

expression: str

The time expression string.

classmethod now()

Create an AFTime representing the current time.

classmethod today()

Create an AFTime representing today at midnight.

classmethod yesterday()

Create an AFTime representing yesterday at midnight.

classmethod ago(**kwargs)

Create an AFTime relative to now.

Parameters:

**kwargs (int) – Time units (days, hours, minutes, seconds)

Returns:

AFTime representing the relative time.

Return type:

AFTime

Example

>>> AFTime.ago(days=1, hours=2)  # 1 day and 2 hours ago

classmethod from_datetime(dt)

Create an AFTime from a Python datetime object.

__init__(expression)